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The ferry sped across Moreton Bay. Sarah looked over the side, watching the dolphins as they swam alongside the boat, surfing the wake and chattering playfully. It was hard to imagine she was leaving Earth. When would she see a…

In this short chapter, I’ll explain the 7-zone model of the Solar System that I’ve developed, which I think is helpful for thinking about space settlement. These settlement zones are regions of the Solar System defined more-or-less by the types…

Doctor Catalina Sanchez woke, momentarily startled and disoriented. Where was she? She had a sheet wrapped around her. It was noisy and her head spun. There were people walking past, although none paid her any attention. Ah, of course. The…

I’ve been talking to people about this idea for ages, yet never gotten around to writing a blog post about it. Finally, it seems to be time. The last post I wrote about diet was The Space Diet in November 2016,…

This is a longish chapter, but one that I hope readers will find interesting and educational. We’ll review the structure of the Solar System, along with the meanings of the different terms used to categorize the various objects it contains.…

Why are we particularly interested in space settlement, rather than simply space exploration, or even just the development of space industry? What are the benefits of actually living there? Abundant resources Space represents an unlimited supply of valuable resources, including…

This is a chapter from a possible future book about building a city on Mars. Please let me know what you think in the comments, or by email. Thanks! All civilizations become either spacefaring or extinct. — Carl Sagan The…